Lock



FIG. 1 is a perspective view of a lock;

FIG. 2 is a top plan elevation view of the lock illustrated in FIG. 1;

FIG. 3 is a front elevation view of the lock illustrated in FIG. 1;

FIG. 4 is a side elevation view of the lock illustrated in FIG. 1;

FIG. 5 is a back elevation view of the lock illustrated in FIG. 1; and,

FIG. 6 is bottom plan elevation view of the lock illustrated in FIG. 1.

The ornamental design which is claimed is shown in solid lines in thedrawings. The broken lines in the drawings are for illustrative purposesonly and form no part of the claimed design.

We claim the ornamental design for a lock, as shown and described.